HEADER    TRANSFERASE                             02-OCT-98   1BXD              
TITLE     NMR STRUCTURE OF THE HISTIDINE KINASE DOMAIN OF THE E. COLI OSMOSENSOR
TITLE    2 ENVZ                                                                 
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: PROTEIN (OSMOLARITY SENSOR PROTEIN (ENVZ));                
COMPND   3 CHAIN: A;                                                            
COMPND   4 FRAGMENT: RESIDUES 290-450;                                          
COMPND   5 SYNONYM: ENVZ(290-450);                                              
COMPND   6 EC: 2.7.3.-;                                                         
COMPND   7 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI BL21(DE3);                     
SOURCE   3 ORGANISM_TAXID: 469008;                                              
SOURCE   4 STRAIN: BL21-DE3;                                                    
SOURCE   5 CELLULAR_LOCATION: CYTOPLASM;                                        
SOURCE   6 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3);                       
SOURCE   7 EXPRESSION_SYSTEM_TAXID: 469008;                                     
SOURCE   8 EXPRESSION_SYSTEM_STRAIN: BL21-DE3;                                  
SOURCE   9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE  10 EXPRESSION_SYSTEM_PLASMID: PET11A                                    
KEYWDS    HISTIDINE KINASE, OSMOSENSOR, HIS-ASP PHOSPHORELAY SYSTEM, SIGNAL     
KEYWDS   2 TRANSDUCTION, TRANSFERASE                                            
EXPDTA    SOLUTION NMR                                                          
NUMMDL    20                                                                    
AUTHOR    T.TANAKA,S.K.SAHA,C.TOMOMORI,R.ISHIMA,D.LIU,K.I.TONG,H.PARK,R.DUTTA,  
AUTHOR   2 L.QIN,M.B.SWINDELLS,T.YAMAZAKI,A.M.ONO,M.KAINOSHO,M.INOUYE,M.IKURA   
REVDAT   4   27-DEC-23 1BXD    1       REMARK                                   
REVDAT   3   16-FEB-22 1BXD    1       REMARK                                   
REVDAT   2   24-FEB-09 1BXD    1       VERSN                                    
REVDAT   1   02-OCT-99 1BXD    0                                                
JRNL        AUTH   T.TANAKA,S.K.SAHA,C.TOMOMORI,R.ISHIMA,D.LIU,K.I.TONG,H.PARK, 
JRNL        AUTH 2 R.DUTTA,L.QIN,M.B.SWINDELLS,T.YAMAZAKI,A.M.ONO,M.KAINOSHO,   
JRNL        AUTH 3 M.INOUYE,M.IKURA                                             
JRNL        TITL   NMR STRUCTURE OF THE HISTIDINE KINASE DOMAIN OF THE E. COLI  
JRNL        TITL 2 OSMOSENSOR ENVZ.                                             
JRNL        REF    NATURE                        V. 396    88 1998              
JRNL        REFN                   ISSN 0028-0836                               
JRNL        PMID   9817206                                                      
JRNL        DOI    10.1038/23968                                                
REMARK   2                                                                      
REMARK   2 RESOLUTION. NOT APPLICABLE.                                          
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : X-PLOR 3.8.5.1                                       
REMARK   3   AUTHORS     : BRUNGER                                              
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 1BXD COMPLIES WITH FORMAT V. 3.15, 01-DEC-08                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 19-JUL-99.                  
REMARK 100 THE DEPOSITION ID IS D_1000007021.                                   
REMARK 210                                                                      
REMARK 210 EXPERIMENTAL DETAILS                                                 
REMARK 210  EXPERIMENT TYPE                : NMR                                
REMARK 210  TEMPERATURE           (KELVIN) : 298                                
REMARK 210  PH                             : 7.0                                
REMARK 210  IONIC STRENGTH                 : NULL                               
REMARK 210  PRESSURE                       : NULL                               
REMARK 210  SAMPLE CONTENTS                : NULL                               
REMARK 210                                                                      
REMARK 210  NMR EXPERIMENTS CONDUCTED      : 15N-1H HSQC; 1H-13C CT-HSQC; 1H    
REMARK 210                                   -15N HMQC-J; 1H NOESY; 1H TOCSY;   
REMARK 210                                   (HB)CBCA(CO)NNH; HNCACB; (HB)      
REMARK 210                                   CBCACO(CA)HA; HNCO; HCCH-TOCSY;    
REMARK 210                                   15N-EDITED TOCSY-HMQC; 15N-        
REMARK 210                                   EDITED NOESY-HSQC; 13C-EDITED      
REMARK 210                                   NOESY-HMQC; SIMULTANEOUS 13C/      
REMARK 210                                   15N-EDITED NOESY-HMQC; 13C-        
REMARK 210                                   FILTERED TOCSY; [13C/ F1]-EDITED   
REMARK 210                                   [13C/F2]-FILTERED NOESY            
REMARK 210  SPECTROMETER FIELD STRENGTH    : 500 MHZ; 600 MHZ; 750 MHZ          
REMARK 210  SPECTROMETER MODEL             : UNITY-PLUS 500; UNITY-600;         
REMARK 210                                   DMX750                             
REMARK 210  SPECTROMETER MANUFACTURER      : VARIAN; BRUKER                     
REMARK 210                                                                      
REMARK 210  STRUCTURE DETERMINATION.                                            
REMARK 210   SOFTWARE USED                 : NULL                               
REMARK 210   METHOD USED                   : NULL                               
REMARK 210                                                                      
REMARK 210 CONFORMERS, NUMBER CALCULATED   : NULL                               
REMARK 210 CONFORMERS, NUMBER SUBMITTED    : 20                                 
REMARK 210 CONFORMERS, SELECTION CRITERIA  : NULL                               
REMARK 210                                                                      
REMARK 210 BEST REPRESENTATIVE CONFORMER IN THIS ENSEMBLE : NULL                
REMARK 210                                                                      
REMARK 210 REMARK: NULL                                                         
REMARK 215                                                                      
REMARK 215 NMR STUDY                                                            
REMARK 215 THE COORDINATES IN THIS ENTRY WERE GENERATED FROM SOLUTION           
REMARK 215 NMR DATA.  PROTEIN DATA BANK CONVENTIONS REQUIRE THAT                
REMARK 215 CRYST1 AND SCALE RECORDS BE INCLUDED, BUT THE VALUES ON              
REMARK 215 THESE RECORDS ARE MEANINGLESS.                                       
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1                                                       
REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM                
REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN                  
REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON               
REMARK 300 BURIED SURFACE AREA.                                                 
REMARK 350                                                                      
REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN           
REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE                
REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS          
REMARK 350 GIVEN BELOW.  BOTH NON-CRYSTALLOGRAPHIC AND                          
REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN.                               
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 1                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC                         
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A                                     
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: TORSION ANGLES                                             
REMARK 500                                                                      
REMARK 500 TORSION ANGLES OUTSIDE THE EXPECTED RAMACHANDRAN REGIONS:            
REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                             
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT:(10X,I3,1X,A3,1X,A1,I4,A1,4X,F7.2,3X,F7.2)                    
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES: GJ KLEYWEGT AND TA JONES (1996). PHI/PSI-           
REMARK 500 CHOLOGY: RAMACHANDRAN REVISITED. STRUCTURE 4, 1395 - 1400            
REMARK 500                                                                      
REMARK 500  M RES CSSEQI        PSI       PHI                                   
REMARK 500  1 GLN A 292      166.63     54.86                                   
REMARK 500  1 GLU A 293       40.88   -165.19                                   
REMARK 500  1 MET A 296       89.39     23.68                                   
REMARK 500  1 GLU A 297     -159.51   -144.42                                   
REMARK 500  1 SER A 313       66.36   -115.67                                   
REMARK 500  1 TYR A 315       74.43   -155.26                                   
REMARK 500  1 GLU A 316       12.80     91.50                                   
REMARK 500  1 GLU A 318       73.14    -65.74                                   
REMARK 500  1 ALA A 322       77.73   -150.73                                   
REMARK 500  1 SER A 327      107.97    171.35                                   
REMARK 500  1 GLU A 329      103.95   -173.98                                   
REMARK 500  1 LEU A 335      -73.92    -76.30                                   
REMARK 500  1 ASN A 343      -19.28    -47.52                                   
REMARK 500  1 ARG A 350      -72.56    -63.95                                   
REMARK 500  1 ASN A 353       29.81   -171.68                                   
REMARK 500  1 TRP A 355      129.39    178.46                                   
REMARK 500  1 ASN A 365       34.02     80.49                                   
REMARK 500  1 ARG A 366      105.50    172.50                                   
REMARK 500  1 HIS A 385       68.95   -117.47                                   
REMARK 500  1 LEU A 386       71.74   -109.50                                   
REMARK 500  1 PHE A 390      128.95     61.04                                   
REMARK 500  1 SER A 400     -175.76   -171.23                                   
REMARK 500  1 ALA A 407       44.29    -90.73                                   
REMARK 500  1 ILE A 408      164.40    -43.50                                   
REMARK 500  1 VAL A 409      -59.30     80.52                                   
REMARK 500  1 ILE A 412      -70.73    -67.29                                   
REMARK 500  1 ASN A 417       42.91     81.43                                   
REMARK 500  1 VAL A 440      143.30    -39.26                                   
REMARK 500  2 GLN A 292      105.97   -161.91                                   
REMARK 500  2 GLU A 293       38.72   -174.25                                   
REMARK 500  2 GLU A 297     -156.33   -134.53                                   
REMARK 500  2 ARG A 317      -82.79    -71.66                                   
REMARK 500  2 GLU A 318       55.90   -147.14                                   
REMARK 500  2 SER A 327      100.12     55.29                                   
REMARK 500  2 GLU A 329      110.96   -171.45                                   
REMARK 500  2 LYS A 331       98.25    -68.69                                   
REMARK 500  2 ALA A 349      -81.68    -56.65                                   
REMARK 500  2 ASN A 353       28.64   -159.21                                   
REMARK 500  2 TRP A 355      132.12   -176.15                                   
REMARK 500  2 ARG A 366      116.73    171.64                                   
REMARK 500  2 TRP A 368      143.93   -170.55                                   
REMARK 500  2 LYS A 384      -18.57    -44.03                                   
REMARK 500  2 LEU A 386      104.08   -169.08                                   
REMARK 500  2 PHE A 387       78.30     62.61                                   
REMARK 500  2 GLN A 388       69.46   -172.80                                   
REMARK 500  2 PHE A 390       62.65   -178.66                                   
REMARK 500  2 VAL A 391       64.29   -151.37                                   
REMARK 500  2 ALA A 396      112.93     60.57                                   
REMARK 500  2 THR A 398     -170.09     43.93                                   
REMARK 500  2 THR A 402      -51.90   -133.33                                   
REMARK 500                                                                      
REMARK 500 THIS ENTRY HAS     556 RAMACHANDRAN OUTLIERS.                        
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: PLANAR GROUPS                                              
REMARK 500                                                                      
REMARK 500 PLANAR GROUPS IN THE FOLLOWING RESIDUES HAVE A TOTAL                 
REMARK 500 RMS DISTANCE OF ALL ATOMS FROM THE BEST-FIT PLANE                    
REMARK 500 BY MORE THAN AN EXPECTED VALUE OF 6*RMSD, WITH AN                    
REMARK 500 RMSD 0.02 ANGSTROMS, OR AT LEAST ONE ATOM HAS                        
REMARK 500 AN RMSD GREATER THAN THIS VALUE                                      
REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                             
REMARK 500                                                                      
REMARK 500  M RES CSSEQI        RMS     TYPE                                    
REMARK 500  1 ARG A 317         0.17    SIDE CHAIN                              
REMARK 500  1 ARG A 339         0.25    SIDE CHAIN                              
REMARK 500  1 ARG A 350         0.29    SIDE CHAIN                              
REMARK 500  1 ARG A 366         0.32    SIDE CHAIN                              
REMARK 500  1 ARG A 383         0.25    SIDE CHAIN                              
REMARK 500  1 ARG A 392         0.21    SIDE CHAIN                              
REMARK 500  1 ARG A 397         0.25    SIDE CHAIN                              
REMARK 500  1 ARG A 411         0.32    SIDE CHAIN                              
REMARK 500  1 ARG A 427         0.31    SIDE CHAIN                              
REMARK 500  1 ARG A 433         0.29    SIDE CHAIN                              
REMARK 500  1 ARG A 442         0.31    SIDE CHAIN                              
REMARK 500  2 ARG A 317         0.32    SIDE CHAIN                              
REMARK 500  2 ARG A 339         0.29    SIDE CHAIN                              
REMARK 500  2 ARG A 350         0.13    SIDE CHAIN                              
REMARK 500  2 ARG A 366         0.09    SIDE CHAIN                              
REMARK 500  2 ARG A 383         0.27    SIDE CHAIN                              
REMARK 500  2 ARG A 392         0.31    SIDE CHAIN                              
REMARK 500  2 ARG A 397         0.12    SIDE CHAIN                              
REMARK 500  2 ARG A 411         0.18    SIDE CHAIN                              
REMARK 500  2 ARG A 427         0.20    SIDE CHAIN                              
REMARK 500  2 ARG A 433         0.16    SIDE CHAIN                              
REMARK 500  2 ARG A 442         0.27    SIDE CHAIN                              
REMARK 500  3 ARG A 317         0.20    SIDE CHAIN                              
REMARK 500  3 ARG A 339         0.30    SIDE CHAIN                              
REMARK 500  3 ARG A 350         0.32    SIDE CHAIN                              
REMARK 500  3 ARG A 366         0.26    SIDE CHAIN                              
REMARK 500  3 ARG A 383         0.25    SIDE CHAIN                              
REMARK 500  3 ARG A 392         0.30    SIDE CHAIN                              
REMARK 500  3 ARG A 397         0.21    SIDE CHAIN                              
REMARK 500  3 ARG A 411         0.14    SIDE CHAIN                              
REMARK 500  3 ARG A 427         0.31    SIDE CHAIN                              
REMARK 500  3 ARG A 433         0.25    SIDE CHAIN                              
REMARK 500  3 ARG A 442         0.30    SIDE CHAIN                              
REMARK 500  4 ARG A 317         0.31    SIDE CHAIN                              
REMARK 500  4 ARG A 339         0.29    SIDE CHAIN                              
REMARK 500  4 ARG A 350         0.25    SIDE CHAIN                              
REMARK 500  4 ARG A 366         0.29    SIDE CHAIN                              
REMARK 500  4 ARG A 383         0.29    SIDE CHAIN                              
REMARK 500  4 ARG A 392         0.32    SIDE CHAIN                              
REMARK 500  4 ARG A 397         0.31    SIDE CHAIN                              
REMARK 500  4 ARG A 411         0.28    SIDE CHAIN                              
REMARK 500  4 ARG A 427         0.23    SIDE CHAIN                              
REMARK 500  4 ARG A 433         0.31    SIDE CHAIN                              
REMARK 500  4 ARG A 442         0.16    SIDE CHAIN                              
REMARK 500  5 ARG A 317         0.29    SIDE CHAIN                              
REMARK 500  5 ARG A 339         0.22    SIDE CHAIN                              
REMARK 500  5 ARG A 350         0.24    SIDE CHAIN                              
REMARK 500  5 ARG A 366         0.26    SIDE CHAIN                              
REMARK 500  5 ARG A 383         0.31    SIDE CHAIN                              
REMARK 500  5 ARG A 392         0.32    SIDE CHAIN                              
REMARK 500                                                                      
REMARK 500 THIS ENTRY HAS     211 PLANE DEVIATIONS.                             
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ANP A 451                 
DBREF  1BXD A  290   450  UNP    P02933   ENVZ_ECOLI     290    450             
SEQRES   1 A  161  THR GLY GLN GLU MET PRO MET GLU MET ALA ASP LEU ASN          
SEQRES   2 A  161  ALA VAL LEU GLY GLU VAL ILE ALA ALA GLU SER GLY TYR          
SEQRES   3 A  161  GLU ARG GLU ILE GLU THR ALA LEU TYR PRO GLY SER ILE          
SEQRES   4 A  161  GLU VAL LYS MET HIS PRO LEU SER ILE LYS ARG ALA VAL          
SEQRES   5 A  161  ALA ASN MET VAL VAL ASN ALA ALA ARG TYR GLY ASN GLY          
SEQRES   6 A  161  TRP ILE LYS VAL SER SER GLY THR GLU PRO ASN ARG ALA          
SEQRES   7 A  161  TRP PHE GLN VAL GLU ASP ASP GLY PRO GLY ILE ALA PRO          
SEQRES   8 A  161  GLU GLN ARG LYS HIS LEU PHE GLN PRO PHE VAL ARG GLY          
SEQRES   9 A  161  ASP SER ALA ARG THR ILE SER GLY THR GLY LEU GLY LEU          
SEQRES  10 A  161  ALA ILE VAL GLN ARG ILE VAL ASP ASN HIS ASN GLY MET          
SEQRES  11 A  161  LEU GLU LEU GLY THR SER GLU ARG GLY GLY LEU SER ILE          
SEQRES  12 A  161  ARG ALA TRP LEU PRO VAL PRO VAL THR ARG ALA GLN GLY          
SEQRES  13 A  161  THR THR LYS GLU GLY                                          
HET    ANP  A 451      45                                                       
HETNAM     ANP PHOSPHOAMINOPHOSPHONIC ACID-ADENYLATE ESTER                      
FORMUL   2  ANP    C10 H17 N6 O12 P3                                            
HELIX    1   1 LEU A  301  ALA A  311  1                                  11    
HELIX    2   2 PRO A  334  ASN A  343  1                                  10    
HELIX    3   3 PRO A  380  LYS A  384  1                                   5    
HELIX    4   4 GLN A  410  ASP A  414  1                                   5    
SHEET    1   1 1 GLU A 297  ALA A 299  0                                        
SHEET    1   2 1 VAL A 330  MET A 332  0                                        
SHEET    1   3 1 ILE A 319  LEU A 323  0                                        
SHEET    1   4 1 ILE A 356  THR A 362  0                                        
SHEET    1   5 1 ALA A 367  ASP A 373  0                                        
SHEET    1   6 1 SER A 431  LEU A 436  0                                        
SHEET    1   7 1 LEU A 420  GLY A 423  0                                        
SITE     1 AC1  8 ASP A 373  ILE A 378  GLN A 382  LEU A 386                    
SITE     2 AC1  8 PHE A 387  LEU A 422  LEU A 430  ILE A 432                    
CRYST1    1.000    1.000    1.000  90.00  90.00  90.00 P 1           1          
ORIGX1      1.000000  0.000000  0.000000        0.00000                         
ORIGX2      0.000000  1.000000  0.000000        0.00000                         
ORIGX3      0.000000  0.000000  1.000000        0.00000                         
SCALE1      1.000000  0.000000  0.000000        0.00000                         
SCALE2      0.000000  1.000000  0.000000        0.00000                         
SCALE3      0.000000  0.000000  1.000000        0.00000                         
MODEL        1